<template>
  <header id='head_top'>
    <slot name='logo'></slot>
    <slot name='search'></slot>
    <section class="head_goback" v-if="goBack" @click="$router.go(-1)">
      <svg width="100%" height="100%" xmlns="http://www.w3.org/2000/svg" version="1.1">
        <polyline points="12,18 4,9 12,0" style="fill:none;stroke:#434343;stroke-width:2"/>
      </svg>
    </section>
    <!--<router-link :to="userInfo? '/profile':'/login'" v-if='signinUp' class="head_login">-->
      <!--<svg class="user_avatar" v-if="userInfo">-->
        <!--<use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#user"></use>-->
      <!--</svg>-->
      <!--<span class="login_span" v-else>登录|注册</span>-->
    <!--</router-link>-->
    <section class="title_head ellipsis" v-if="headTitle">
      <span class="title_text">{{headTitle}}</span>
    </section>
    <slot name="edit"></slot>
    <slot name="msite-title"></slot>
    <slot name="changecity"></slot>
    <slot name="changeLogin"></slot>
  </header>
</template>

<script>
  import {mapState, mapActions} from 'vuex'
  export default {
    data(){
      return{

      }
    },
    mounted(){
      //获取用户信息
      this.getUserInfo();
    },
    props: ['signinUp', 'headTitle', 'goBack'],
    computed: {
      ...mapState([
        'userInfo'
      ]),
    },
    methods: {
      ...mapActions([
        'getUserInfo'
      ])
    },

  }
</script>

<!-- Add "scoped" attribute to limit CSS to this component only -->
<style lang="scss" scoped>
  @import '../style/mixin';

  #head_top{
    background-color: #fff;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    border-bottom: 1px solid #f5f5f5;
    @include wh(100%, 1.95rem);
  }
  .logo {
    width: 35%;
    @include center;
    img {
      width: 100%;
    }
  }
  .head_goback{
    left: 0.4rem;
    @include wh(0.6rem, 1rem);
    line-height: 2.2rem;
    margin-left: .4rem;
  }
  .head_login{
    right: 0.55rem;
    @include sc(0.65rem, #434343);
    @include cl;
    .login_span{
      color: #434343;
    }
    .user_avatar{
      fill: #fff;
      @include wh(.8rem, .8rem);
    }
  }
  .title_head{
    @include center;
    width: 50%;
    color: #434343;
    text-align: center;
    .title_text{
      @include sc(0.7rem, #666);
      text-align: center;
      font-weight: bold;
    }
  }
</style>
